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Brake issues 

 

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 Post subject: Brake issues
Posted: Tue May 03, 2011 12:29 am 
Oompa Loompa
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Age: 39

Posts: 46

Joined: 10th Jan 2011

Ride: NF Fairlane

Location: Canberra
ACT, Australia

Evening all,

I have an on-going brake issue with the mighty old NF Fairlane that I'm hoping someone can help me with.

Story;

A while back I had complete brake failure. Foot straight to the floor, bugger all braking ability. Managed to limp the car home.
I inspected as much as I could. Could find any obvious fluid leaks. The car has always had an unknown vacuum leak. Never been able to source the problem.
Didn't really find anything obvious. Got the s**t and walked away.
Next morning, after the car had cooled down - everything seemed better. The brakes were spongy, but at least they worked.
A while later I finally got around to bleeding the brakes. There was a *heap* of air in them. So there must have been a leak somewhere. We re-inspected everything and found a leak in the Cruise Control Emergency switch on the master cylinder. Fixed this.

Fast forward to Saturday arvo.
I was heading down Mac Pass; just got into Albion Park and same thing. Foot straight to the floor. Seeing as I already dont trust the brakes that much, I had been hanging on 2nd gear most of the way down to use the engine braking to keep my speed.
Anyways, this time however I leak was spotted; dribbling out between the master cylinder and booster. However again, let the car cool down and the brakes came back. Again, spongy but useable.

So here is my theory; the master cyl has a lightest leak, which does become apparent until the fluid heats up and becomes a) thinner, and b) more pressurized.
It's a theory at least :S

*Any* help would be greatly appreciated.

Cheers,
Lurch

 

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'95 Luxobarge.
Stock. Currently fixing 'stuff', then come the mods :)

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 Post subject: Re: Brake issues
Posted: Tue May 03, 2011 8:40 am 
Getting Side Ways
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Age: 64

Posts: 3452

Joined: 11th Jan 2009

Ride: BA Falcon XT

Location: Smithfield
NSW, Australia

If you have a leak from the master cylinder it is time to replace it. The seals inside the master cylinder are shot and the best way is a NEW master cylinder not a used one.
It is possible to buy a new master cylinder from Ford, part number is EL 2140 C and the cost is $369.00. You could more than likely get a cheaper one from someone like Repco.
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 Post subject: Re: Brake issues
Posted: Tue May 03, 2011 10:18 am 
Oompa Loompa
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Age: 39

Posts: 46

Joined: 10th Jan 2011

Ride: NF Fairlane

Location: Canberra
ACT, Australia

Thanks mate.
Will do.

 

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'95 Luxobarge.
Stock. Currently fixing 'stuff', then come the mods :)

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